#define _CRT_SECURE_NO_WARNINGS 1


#include<stdio.h>

/*
int fun(int* x, int y)
{
	int t;
	t = *x;
	*x = y;
	return (t);
}

int main()
{
	int a = 3, b = 8;
	printf("%d %d\n", a, b);
	b = fun(&a, b);
	printf("%d %d\n", a, b);

	return 0;
}
*/